<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>测试表单</title>
</head>
<body>

<form th:action="@{/test_post(username='admin',password=123456)}" method="post">
    <input type="submit">
</form>

</body>
</html>